. "Duathlons can be a good gauge of performance, and they can replace 'threshold' workouts with something more interesting" says PhysFarm Coach Dr Philip Skiba.Duathlon, which has national, European and world championship races, is governed by British Triathlon
Morning: SWIM 10 x 1 length easy warm-up, 5-10 x 4 lengths steady, with 15-sec recoveries (SWIM with head up to sight end of pool for 5 strokes every other length), 10 x 1 length easy cool-down Afternoon: CYCLE 50-60 mins steady Morning SWIM 8 x 2
